86 entries under apathetic topic. ×

14
slothful(adjective, dull, quiet, moving, flat)
13
flat(adjective, quiet, slow, cold, indifferent)
12
slow(adjective, dull, quiet, weak, easy)
11
phlegmatic(adjective, dull, quiet, weak, moving)
11
sleepy(adjective, dull, quiet, moving, slow)
10
lackadaisical(adjective, dull, quiet, weak, easy)
8
leaden(adjective, dull, quiet, weak, moving)
7
asleep(adjective, calm, quiet, moving, gentle)
7
heavy(adjective, upset, dull, quiet, weak)
7
stolid(adjective, dull, quiet, moving, flat)
6
somnolent(adjective, dull, careless, relaxed, indifferent)
6
spiritless(adjective, dull, quiet, weak, easy)
5
comatose(adjective, dull, weak, easy, slow)
4
drowsy(adjective, dull, quiet, easy, careless)
4
hebetudinous(adjective, dull, slow, heavy)
4
latent(adjective, calm, quiet, gentle, indifferent)
4
submissive(adjective, quiet, indifferent, lifeless)
3
cool(adjective, quiet, indifferent, detached, aloof)
3
slumberous(adjective, dull, moving, slow, heavy)
3
uninvolved(adjective, quiet, indifferent, detached, aloof)
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APASmart Define. (2015). inert thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/inert/thesaurus/synonyms
ChicagoSmart Define. 2015. "inert thesaurus" https://smartdefine.org/inert/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, inert thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/inert/thesaurus/synonyms>.
MLASmart Define. "inert thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/inert/thesaurus/synonyms>